Well, the amount of human hair varies slightly according to race and hair color. The yellow race is 654.38+ 10,000, the blonde is 654.38+0.2 million, and the red hair is 80,000-90,000. In childhood, the hair on the top of the head is the most charming, while the temples on both sides are slightly thinner.

(1) The amount of hair after birth is fixed, and it is impossible to grow any more in the future.

(2) The color, shape, curl and thickness of hair are controlled by heredity, which varies with races and individuals.

How many hairs does a person have?

A: It is generally believed that the total hair of normal adults is about 80,000-654,380+million. On average, there are about 150 per square centimeter, which are dense and sparse in different parts. Everyone's hair is a little different, and there are also racial and regional differences. The data shows that the average blonde hair140,000, red hair 90,000, brown hair 10.9 million and black hair 10.8 million.

■ Yellow race, about 654.38+ 10,000;

■ Blonde Caucasians have thinner hair, 1.2 million hairs;

■ Red hair is slightly thicker, 80,000-90,000;

■ It is generally believed that the total hair of normal adults is about 80000-100000;

■ About 150 pieces per square centimeter on average,

■ Average blonde hair 140000/ person;

■ 90,000 pieces of red/person;

■ Brown 109000/ person;

■ Black hair 108000/ person;